Abstract:
Aromatic sulphinic acids and their salts are used as activators for lowering the decomposition temperature of azodicarbonamide, which have a higher activity than the conventional auxiliary blowing agents. Moreover, no premature liberation of gas takes place.
Abstract:
Novel 2,4-bis-(trifluoromethyl)-6-nitrophenol compounds of the formula
IN WHICH X is hydrogen; M; HNR 1R2R3; -COR4; -COOR5; N,Ndimethylaminocarbonyl; -SO2R6 or -CO-NH-R7; M is an equivalent of an alkali metal or alkaline earth metal, R1, R2 and R3 (individually) are hydrogen, alkyl, alkoxyalkyl, alkenyl, hydroxyalkyl, cycloalkyl, phenyalkyl, phenyl or substituted phenyl, R4 and R5 individually are alkyl, substituted alkyl, alkenyl, phenyl or substituted phenyl, R6 is alkyl, substituted alkyl, phenyl, substituted phenyl or dimethylamino, and R is alkyl, alkenyl, cycloalkyl, phenyl or substituted phenyl; ARE OUTSTANDINGLY EFFECTIVE SELECTIVE HERBICIDES.
Abstract:
ELASTOMERIC FILAMENTS ARE PREPARED FROM A POLYURETHANE POLYMER WHICH IS THE REACTION PRODUCT OF AN NCO TERMINATED PREPOLYMER AND A CHAIN EXTENDING COMPOSITION COMPRISED OF A LOW MOLECULAR WEIGHT ACTIVE HYDROGEN CONTAINING COMPOUND AND A LINEAR POLYETHER GLYCOL HAVING OXYGEN AND TERTIARY NITROGEN ATOMS IN THE CHAIN AND A MOLECULAR WEIGHT OF FROM 500 TO 15,000.